258 page, STEM Challenges YEAR BUNDLE 50+ Challenges and Science Stations Bridge Building Challenges Mixture & Solutions Challenges Liquid Density Challenges Water Surface Tension Challenge Solar System Model Challenge Change of Matter Challenge Laws of Motion Challenges Center of Gravity Challenge Anti- Gravity Challenges Magnetic Field Challenges Buoyancy Challenges Boat Building Challenge Tower Building Challenge Make a Levitator Challenge Water Cycle Challenges Air Resistance Challenge Landforms challenges Build a Short Circuit Challenge Build an Energy Efficient God House Challenge If you buy this resource and are pleased with your purchase, I would be extremely grateful if you could leave a review. As a token of appreciation, you can have a free resource of your choice up to the same value as your purchased resource. Just email bythebreakers@gmail.com with your user name, the resource you have reviewed and the resource you would like for free. **Have Fun Teaching! Mrs. Lena, M.Ed.